spaces and curly braces in diag_logs_l2tp.php

src/www/diag_logs_l2tp.php

 <?php
 
-if (htmlspecialchars($_POST['mode']))
+if (htmlspecialchars($_POST['mode'])) {
     $mode = htmlspecialchars($_POST['mode']);
-elseif (htmlspecialchars($_GET['mode']))
+} elseif (htmlspecialchars($_GET['mode'])) {
     $mode = htmlspecialchars($_GET['mode']);
-else
+} else {
     $mode = "login";
+}
 
 if ($mode != 'raw') {
     $logfile = '/var/log/vpn.log';